(2×2) digital optical switch realised by lowcostpolymer waveguide technology

Keil, Norbert; Yao, H.H.; Zawadzki, C.

doi:10.1049/el:19961010

Cited by 48 publications

(17 citation statements)

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“…Another important device is the thermo-optic switch (TOS) that is often needed to control the flow of light in the circuits. Such a TOS can be realized using polymer Y-branch waveguides [6,7]. Two extra waveguide bends can be added, serving as additional VOAs to suppress the power of the remaining, non-switched light.…”

Section: Thermo-optic Componentsmentioning

confidence: 99%

Recent progress in InP/polymer-based devices for telecom and data center applications

et al. 2015

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Recent progress on polymer-based photonic devices and hybrid photonic integration technology using InP-based active components is presented. High performance thermo-optic components, including compact polymer variable optical attenuators and switches are powerful tools to regulate and control the light flow in the optical backbone. Polymer arrayed waveguide gratings integrated with InP laser and detector arrays function as low-cost optical line terminals (OLTs) in the WDM-PON network. External cavity tunable lasers combined with C/L band thin-film filter, on-chip U-groove and 45 degrees mirrors construct a compact, bi-directional and color-less optical network unit (ONU). A tunable laser integrated with VOAs, TFEs and two 90 degrees hybrids builds the optical front-end of a colorless, dual-polarization coherent receiver. Multicore polymer waveguides and multi-step 45 degrees mirrors are demonstrated as bridging devices between the spatial-division-multiplexing transmission technology using multi-core fibers and the conventional PLC-based photonic platforms, appealing to the fast development of dense 3D photonic integration

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Section: Thermo-optic Componentsmentioning

confidence: 99%

Recent progress in InP/polymer-based devices for telecom and data center applications

et al. 2015

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“…According to [8], mode sorting can be performed in an asymmetric waveguide branching. Based on this principle, DOS is implemented in asymmetric waveguide junction structure by means of electro-optical or thermo-optical effect on LiNbO3 or polymer substrates [9,10].…”

Section: Optical Power Controlmentioning

confidence: 99%

<title>Novel optical switch structure implemented with the function of power control and cross-talk reduction</title>

et al. 2001

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A novel optical switch structure is proposed to implement the function of cross-connection, optical power control and crosstalk reduction for optical cross-connect (OXC) in wavelength division multiplexing (WDM) optical transport networks. Based on the conventional AS/AC network structure, the proposed one deploys a set of 1x2 digital optical switches (DOS) between the AS and AC modules. Thus the optical signal power can be controlled and the crosstalk can be reduced by adjusting the driving voltage of the lx2 DOSs. Experiments with a 4x4 polymeric thermo-optical DOS demonstrate that the power control range is more than 35 dB, and the delay for 3 dB power control is within 7.5 ms in the worst case. Analytical result also shows that the crosstalk can be suppressed at least 35 dB.

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“…A number of researchers and companies worldwide have been active in pursuing the investigation and development of polymer-based switches. [1][2][3][4][5][6][7][8][9][10][11][12][13] Recent improvements in the performance of the polymers used in the construction of such switches 14 has now led to a significant further advance in the performance of polymer-based thermo-optic switches, as is described herein.…”

Section: Introductionmentioning

confidence: 99%

High performance thermo-optic switches based on low-loss acrylate polymers

et al. 2003

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We design and fabricate digital thermo-optic switches using low-loss photocuring fluoroacrylate polymers. We use both modeling and experimental design-rule studies to elucidate the contributions to loss and cross talk of the various important building blocks that comprise a Y-branch digital optical switch (YDOS). We present the results of these studies as well as the achieved performance for 1ϫ2, 2ϫ2, and 4ϫ4 switches fabricated with these designs. Average fiber-to-fiber chip-level insertion loss (IL) values for the three designs are 1.1, 1.5, and 2.8 dB, respectively, for 1550-nm illumination. Switching times in every case are below 3 ms. Polarization-dependent loss is less than 0.1 dB at 1550 nm. Fully packaged permanently pigtailed versions of the 2ϫ2 and 4ϫ4 switches are also constructed. For these packaged devices, average insertion losses of 2.0 and 3.3 dB are achieved, and cross talk is maintained at a value less than Ϫ45 dB. Recent advances in materials performance have now allowed the insertion loss performance to be further improved, with chip-level IL being reduced to 1.0 and 2.2 dB for 2ϫ2 and 4ϫ4 switches, respectively.

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(2×2) digital optical switch realised by lowcostpolymer waveguide technology

Cited by 48 publications

References 1 publication

Recent progress in InP/polymer-based devices for telecom and data center applications

Recent progress in InP/polymer-based devices for telecom and data center applications

<title>Novel optical switch structure implemented with the function of power control and cross-talk reduction</title>

High performance thermo-optic switches based on low-loss acrylate polymers

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